Punch for mortising printers&#39; plates.



No. 7l2,547,. Patented Nov. 4, 1902.

R. J. KITTREDGE.

PUCH FOR MORTISING PRINTHS' PLATES.

(Appximion med xu. 2s, 190x.)

(No Model.) 4 `Shams-Sheet 2.

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No. 7|2,547. Patented Nov. 4, |902.

' n. .1. KITTREDGE.

PUNCH FOR MORTISING PRINTERS PLATES.

(Ap'puemon med Mu. 2e, mami 4 sham-shea: a.

(No Model.)-

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Patented Nov. 4, |902.

R. J. KITTREDGE.

PUNCH FOR MORTISING PRINTERS PLATES.

(Application filed Man-28, 1901.)-

4 Sheets-Sheet 4.

(No Model.)

Immun WWJ'NIHIII RUEU-s J, InrrrEEDGE,

PATENT OFFICE.

on CHICAGO; ILLINOIS;

PUNCH FiolRlMoRTlsiNe-V PRINTERS PLATES.

SPECIFICATION forming part of Letters Patent No. 712,547, dated November4, 1902. Application filed March 28, 1901. Serial Nn. 53,197. ftNomodel.)

T @ZZ whom, t may cmwernf Be it known that I, RUEUS J.'K1TrREDeE,acitizen of the United States, residing at Chicago, in the county of Cookand State of Illinois, have invented certain new and usefulvIinprovementsinPunches forlllortisingPrinters Plates, of which thefollowing is a full, clear, and exact specification.' l

My invention relates to punchesor means for cutting niortises inelectrotype,stereotype, and other plates in order that errors in thematter may be corrected by introducing an inset or separate type, word,or character in the mortise; and my invention has for its primary objectto provide means whereby a niortise or aperture of any desired lengthmaybe readily formed through the plate with its edges sharply cut and atrightangles or perpendicularly to the plane of the plate, so that theedges of the aperture will not require t0 be dressed or finished byhand, and the inset or type inserted therein will invariably have itsface arranged flush with and in the samerious `thicknesses may beclamped by the same apparatus while being held during the punchingoperation wit-hout danger of mashing or mutilatiug the plate.

With these ends in View my'invention consists in certain features ofnovelty in the construction, combination, and arrangement of part-s bywhich the said objects and certain other objects hereinafter appearingare at.

tained, all as fully described with reference to the accompanyingdrawings, and more particularly pointed out in the claims.

In the said drawings, Figure lis a sideelel vation of' my improvedmachine, showing the lower portion thereof in vertical section. Fig. 2is a front elevation thereof. Fig. 3 is an enshowing the smallestpart-of thepuuch cutting an aperture or mortise in aplate. I l 9 is asimilar view showing-the' punchI'f-ur-'- ther depressed for cutting astill longer aperture or mortise.

end of the punch mayjbe'utilized for cutting oi the hanging metalandlinishing theen'd Fig."7.v is a transverse section taken on the line7 7, Figs. 4 and 5. Fig. 8 is a detail side view of tho mortise oraperture when thepunch is used for producing an aperture of less'lengththan thel maximum length of the punch. Fig. 11 is a plan section takenon the line 1.1 11, Fig. 1. Fig. 12 is aplan View of the table orplate-support, showing the female die therein partly in horizontalsection. Fig. 13

is an enlarged side elevation of the operating handle or lever andconnected parts, shown in the elevated or retracted position in orderthat the plate may be removed from the ina- Fig. 14 is a similar viewshowing the lever partly depressed, illustrating the manchine.

ner in which the operating-rods for both the punch and the. presser-footare lowered together for a certain distance with the presserfoot inadvance of the punch. Fig. 15 is a similarview illustratingtheoperatingleveror handle still further depressed forlqcking thepresser-foot .against upward movement and continuing the downwardmovement 'of the punch-rod. Fig. 16 isaside elevation,partly in verticalsection, showing a modified form of operating means. Fig.-17isa frontelevation thereof. Fig. 18 is a vertical sectional View of thepunchturret hereinafter described, showing a modification thereofconsisting in means for holding punchesfrom dropping downwhen not inuse. Fig. 19 is `a perspective View of a modified form of punch. Fig. 20is an enlarged detail section of the punch-catch. Fig. 21 is a detailsection on the line 2l 2l, Fig. 22; and Fig. 22 is IOO i Fig. 1o isasimila -view'lj, Y showing the plate as itappearsinFig.;9'taken I outand turned around, so. that the. smallest:,A'gj

a detail plan view of the top of the operating mechanism as shown inFigs. 15 and 21.

1 represents a table or support of anysnitable character mounted upon abase-f rame 2 and having set therein a female die whose upper face isflush with the face of the table 1;

This female die consists of two members 3 4.

-'Ihe member 3 is fixed, by means of screw 5 or any other suitabledevice, ina three-sided 1o frame 7, which has cross-bar 6 secured tothebase 2 in any suitable manner and .forms a support for the member 3, asshown in Fig.

1.- The member 4 is formed with a projecting tongue S, which slidesbetween the parallel edges 9, constituted on the fixed member 3 by theformation of a rectangular notch in the edge thereof. 'lhe inner end o'redge of the tongue or projection S constitutes one of the longitudinalcutting edges of the transzo versely-located female die, while theopposed edge of suchrectangular notch constitutes the other longitudinaledge of the female die.

With the die thus constructed it will be seen that the inner cuttingedge of the movable member may be readily sharpened. 'lhe member 4 ismovable to and from the member 3 and is suitably supported on the frame7 with capability of sliding, as described,so

'that the size and widthvof the female die may 3o be adjusted to suitthe requirements. The

movable member 4 may be thus forced toward the' fixed member 3 by meansof a setz's'crew- 10, passing through a erossbar 11,

'formed on or secured to the frame 7 and engaging against the outer edgeof the movable member 4. The movable member 4 is forced *outwardly-"asthe screw 10 is backed ott0 by "meansof'cushions or springs 12,surrounding pins 13, which engage in sockets 14 in the 4o fixed andmovable members 3 4.

Arranged over the table 1 is a revolving Yturret or head 15, which isprovided with a U*plurality of vertical sockets 16 of various sizes forthe reception, respectively, of a plurality 0f punches 0r cutters 17.This turret-head 15 is journaled upon a hollow stem 18, projectingupwardly from a presser-foot or clamp '19, and this stem 13 is supportedfrom above in any suitable manner. In the accompany- 5o ing drawingslhave shown this stem secured to the lower end of a. rod 20, which iscapable of vertical movement and operated by :means presently to bedescribed for forcing `the presser-foot down against the printer-s plateplaced upon the table 1 over the female die 3 4. The forward edge 2l ofthe presserfoot 19 is so located with relation to the revolving turret15 and the female die3 4 that it will be directly over and parallel withthe edge of t-he tixed member 3 ol the femaledie and even with the inneredge of the punch or cutter 17 when the socket 16, carrying said punch,arrives at-a position over the female die and parallel with the edge 21of the presser-foot 19, so that the punch 17 may desoend past thepresser-foot for piercing the printers plate and entering one end of thefemale die when in the position described; but all of the other punches17 in the turrethead will be over a part of the presser-foot 19, asclearly shown in Fig. 11. The punches 17 are supposed to be fitted intheir sockets 16 with suicient friction to prevent them from draggingwith undue pressure against the surface of the presser-foot 19 when theturret-head is revolved and also preventing them from dropping down pastthe straight edge 21 a's they arrive at a position parallel therewith.Any suitable friction device may be provided for this purpose. Theturret-head 15 is shouldered on the stem 18, and thenpper end of thestem is screw-threaded, as shown at 22, and upon this is arranged anut23, having suitable operating handle 24, whereby .the nut may be causedto clamp the turret-head against rotation upon the stem 18 when itisdesired to operate the punch. Each of these punches 17 is provided inlits upper end with an aperture 25, so that the .same may be positivelyand rigidly attached to the lower end of a punch-operating rod 26 bymeans of a set-screw 27 or other suitable device. By this means itwillbe seen that the turret-head 15 may be rotated into position forbringing any 'one of the punchesunder the rod 26, whereby the latter maybe se cured tothe punch, as described, the punches being marked orbearing some designation indicating their width and length, so that thepunch of the desired size may be quickly selected and the turret-headagain-locked in position for operation. ln order that the pressure-foot19 may not revolve with the turret-head 15, the pressure-foot isprovided with a guide-rod 2S, which passes upwardly and loosely througha guide-sleeve 29, formed on the main standard 30 of the frame.

The outer side of each of the sockets 16 may IOO be constituted by meansof a removable plate 3l,as shown more clearly in Fig. 2, and each ofthese plates is slotted in its upper end, as shown at 32, to receive asquared end 33 of the punch-operating rod 26,-and thus' positively holdthe turret-head against accidental rotation while the punch-rod 26 isdescending. The slot 32 also permits of the downward movement of theset-screw 27. The slot 32 is also deflected back of the plate'31 in theupper edge of the turret 15, as shown at 31", and the squared end 33 ot'the punchrod also engages in this slot 31,

The punch-rod 26 passes upwardly parallel with the pressure-foot rod 20,and both are held against lateral movement by suitable guides 34 35,formed on the standard 30. The upper end of the pressure-foot rod 20 ispivoted to the lower end of a link 36, Whose upper end is in turnpivoted to the lower end of a shorter link 37, and the upper end of thelatter link is pivoted to a lug 3S, formed on the standard 30 betweentwo side supports 39, also formed on the standard 30. The pivotpin 40,which connects the upper end of link 36 to the lowel` end of short link37, also piv- IIO l otally connects both of these links at their meetingends to the lower ends of two bifui-, cations 4l, (see Figs. 2, 21, and22,) formed on a socket-piece 42, in which the operatinghandle 43 issecured. Each of these bifurcations 4l is also provided at its lowerend.

and on the outer side with a cam or curved shoulder 44, and the sidemembers 39 are formed with notches, providing hooks 45 at the uppersides, and with shoulders 46 on'the inner sides of their-outer ends.With the construction described it will be seen that when the handle orlever 43 is in its elevated position, as shown in Fig. 13, a fulcrum-pin47, secured to the outer face of each of the bifurcations 41, fits intoand is supported in the notches beneath the hooks 45 in the manner shownin Fig. 13, and when in this position the lever 43 takes its fulcrum insaid notches and lifts the presser-foot through the intermediary ofpivot-pin 40, link 36, and rod 2O and also lifts the punch-rod 26through the in-v termediary of a curved link 48, pivoted at its lowerend to the upper end of the punch-rod and at its upper end between theforks 41 by means of a pivot-pin 49. Now when the lever 43 is pulledover to the position shown in Fig. 14 the lower end, carrying thepivotpin 40, will force the joint of the toggle constituted by links 3637 backwardly toward the standard 30, and consequently depressthepresser-foot, and inasmuch asthe pivot-,pin 49 also comesdownwardlyduring this movement the punch-rod 26 will be also lowered acon-` siderableextent, but not sufficiently at this period to force thepunch down into engagement with the female die. NVhen the parts arriveat the position shown in Fig. 14,the cam or shoulder 44 is about toengage the shoulder 46, formed on the inner face of each of the supports39, and when cam or shoulder 44 thus engages shoulder 46 the lever 43Will change its point of fulcrum from the notches beneath the hooks 45to the center or pin 40, outward movement toward the right beingprevented by the engagementpf shoulders 44 with shoulders 46, and thetoggle accordingly forced inwardly slightly beyond the center or directline between centers in the manner shown in Figs. 15, 21, and 22. Thetoggle is prevented from moving toward the left too far by means of apin 50, formed on orsecured to the back of the link 37. Thus it will beseen that when the togglelevers 36 37 straighten out, as shown in Fig.15,further downward movement of the presser-foot bar 2O will beprevented; but the punch-bar 26 will continue to move downwardly untilthe upper end of the link 4S, which is curved toward the toggle, comesagainst the latter. Hence the punching is effected only after thepresser-foot has been forced down and securely locked on top of theprinters plate.

The formation of the lower end or cutting end of each of the punches isclearly shown in Figs. 4 to 10, inclusive. It is apparent from thesegures that each punch is provided with a rect-angular steep inclined end17, which extends downwardly from one edge of the punch to a point orsquared portion 17 b, Whose vertical edges are parallel, the outer oneof which edges being constituted by the edge of the main portion of thepunch. IVith the punch thus constructed it will be seen'that the point17b constitutes in itself a punch for entirely cutting outan aperture ormortise in the plate equal in size to thecrosssection of said point 17h.These points 17b on the dierent punches containedin the turret-head maybe so grouped in size as to correspond with the cross-section of thebody portion of the various sizes of types, so that a single type orcharacter may be cut from the plate by forcing the punch 17 downwardlyuntil the point 17 passes through the plate 51 in the manner shown inFig. 8, thus producing a hole or aperture finished on all sides andready for the reception of the inset or type. If, however, it should bedesirable to utilize the same punch for cutting out two or more lettersor an entire word, the punch 17 would be forced downwardly until itsbeveled edge 17a touches and cuts the plate 51 at the end of the line,word, or letter to be removed inthe manner shown in Fig. 9. The punch isthen elevated, the plate 51 taken out, and turned around, so that theaperture or mortise will be turned end for end, in the manner shown inFig. 10, bringing the uncut end of the mortise directly under the outeredge of the punch-point 17", so that the next time the punchis-depressed the tongue or hanging metal will be entirely severed fromthe plate and both ends, as well as the sides of the mortise oraperture, will be finished.

In order that the downward movement of the punch 17 may be accuratelygaged so as not to descend too far, I provide any suitable means for adjustably limiting this downward movement. In the drawings I have Shownthe socket member 42 provided with a support 52 for a set-screw 53,which is so arranged that its po'int will impinge the outer side of link48 when lever 43 is depressed, thusl limiting the downward movement ofthe lever, and consequently the downward movemeut of the punch.

In order that the punch 17 may cut a clean aperture, leaving no blurs orragged edges on the plate, the lower cutting faces or edges of the punchare hollowground, as shown at 17c 17d, whereby when they impinge themetal they will exert a tendency to pinch the metal together rather thanexpand it, and as a consequenceswelling or expansion of the metal aroundthe aperture, as well as ragged edges, will be entirely avoided..

In the modified form of operating mechan- I -ism shown in Figs. 16 and17 the lever or 0perating-handle 43 is pivoted permanently7 on a pivot47, which is mounted in a pair of ears 45 on the standard 30, and thesocketpiece 42 of said lever is provided with a curved finger or cam042, which projects between IIO - the branches of a yoke 36, carrying attheir upper endsau antifriction-roller under which the finger 42aengages. Formed above the Iinger42a on the socket-piece 42 is a cam 44,and to the upper end of this cam 44a are pi-voted the upper ends of apair of links 48, whose lower ends are pivoted to the upper end of thepunch-rod 26. The yoke 36' is secured to the presser-foot rod 20 bymeans of an adjustable or yielding connection, whereby the yoke 36amayhavea stroke of uniform length and the presser-foot be caused to alwaysengage and hold the plate, while the plates may be of variousthicknesses. This adjustable or yielding connection preferably consistsof a pin 20", inserted in a socket 2Oc in the'upper end of rod 203 andconnected to rod 20a by means of a pin 20d, which passes through avertically-elongated aperture or slot 20 in the pin 20", and at thebottom of the socket 2Oc under the pin 2Ob is interposed a-.coil orother suitable spring o'r cushion 20f, which tends to hold the piu 2Obat the upper extremity of its movement with reference to the rodc20a. Inthe position shown in Fig. 17 ythe presser-foot rod 20 is being heldaloof and at the upper extremity of its movement by means ofthe curvedand tapering finger 42 engaging under the roller 40, and the punchrod 26is held-at the'upper end of its movement by means of the links 48 andtheir pivotal connection with the socket piece 42.

vShould the operating-lever 43 be thrown to the right, as viewed in Fig.16, the presserfoot rod 20a Vwill be permitted to descend as thegradually-tapering part of the finger 42a e recedes from Vunder theroller 40', such linger being so formed as to permit the rod 2Oa todescend faster than the rod 26, and before the rod 26 has receivedsufficient downward movementto cause the punch to impinge the platethecam 44 will have engaged and depressed the roller 40a sufficiently tohold the plate in position through the medium of the spring or cushion20f, whereupon the punch will be forced through the plate, the rod 20Ctreceiving no further downward movement by reason .of the fact that theupper surface of the cam 44 is struck on an arc from the center 47, Bythis means it willalso be seen that the punch willbe withdrawnandelevated clear-of the plate while the concentric pori 'tioufofthe lcam44a is passing over the roller 40a,and ,as aconsequence the presser-footwill remain-in place until the punch is withdrawn. In this'form of theoperating mechanism I dispense with the adj usting-screw 53 and insteadthereof provide the rod 26 with a series of perforations or sockets 26,in either of which may be inserted a stop or pin 26b for arresting thedownward motion of the rod 26,V it being understood that the stop 26bcomes against the upper side of the guide 34 after the concentric partof cam 44a has engaged the-roller 40, and hence stop 26" does notinterfere with the operation of rod 20,

In Fig. 18 I have shown the sockets for the punches 17 provided withmeans for holding said punches aloof when no t secured to the punch-rod26. Said means preferably consists of an antifriction-ball 54, locatedin a recess 55, formed in the turret back of the punch 17 and pressednormally against the rear face of the punch by means of a coil-spring orother suitable cushion 56, acting against a head 57 on a stem 58, aroundwhich the spring 56 is coiled. The rear face of the punch 17 isprovided'with a socket 17 arranged in line with the ball 54, so thatwhen the punch rises the latter will engage in said socket and hold `thepunch from falling by force vof :gravity while not interfering with theoperation of the punch, and, in fact, during the operation of the punchthe socket 17* may be below the ball 54; but when the punch is out ofaction and its lower end is above the presser-foot 19 the ball isengaged therein, as shown on the left in Fig. 18. The antifriction-balls54 may be held in their respective sockets by partially upsetting theouter end of the socket around the outer side of the ball in a wellknownmanner. y

In Fig. 19.1 have shown aform ofpunch in which the cutting end is formedon an' arc of a circle, as shown at 17e.

Having thus described my invention, what I claim as new therein, anddesire to secure by Letters Patent, is

1. In a device for the purpose described, the combination of a revolubleseries of punches of different sizes and a female die for receiving thesame having an adjustable side'whereby it may be made to conform in'size to said different-sized punches, substantially'as set forth.

2. In a device for the purpose described, the

combination of a revoluble turret having a series of punches ofdidere'nt sizes and a female die for receiving the punches having anadjustable side whereby it may be madeto' conform in size to saiddiderent sizes of punches, substantially as set forth.

3. In a device for the purpose described, the combination of a revolubleturret havinga series of punches of diderent sizes, meansfor removablyholding the punches to the turret, and a female die for receiving thepunches having an adjustable side whereby it may be made to conform insize to said different sizes of punches, substantially as described.

4. In a device for the purpose described, the combination of afemale dieadjustable in size, a presser foot, a turret revoluble on thepresser-foot, a series of punches of dierent sizes mounted on theturret, and means for operating the punches when brought over the femaledie, substantially as set forth.

5. In a device f or the purpose described the combination of a femaledie, a punch having' an inclined cutting edge, means for actuating saidpunch and means for adj ustably limiting the movement of said punch withrelation to said die, comprising a rod having a series of perforations,a stop adjustable in the per- IIO a cam above the finger, a punch-rodtowhi'ch the punch is secured and links pivoted at their upperends tothe cam and at their lower endsj to the punch-rod, substantially asset'forth.

'7. In a device for the purpose'described the combination of a femaledie, a presser-foot for holding the plate to be punched over said die, apunch and means for depressing said presser-foot in advance of saidpunch and depressing the punch after said presser-foot is depressed butwithdrawing the punch before said presser-foot is elevated, comprising apresser-foot rod having asocket in its upper end, a cushion located inthe socket,a yoke having a pin formed with a vertical slot andv insertedin the socket, soas to bearn the cushion, a pin extending through thesocket and aperture,a lever` mounted above the yoke,

and having a curved finger adapted to engage the yoke, and a cam abovethe finger, a punch-rod to which the punch is secured and links pivotedat their upper ends to the cam and at their lower ends to the punch-rod,substantially as set forth.

8. In a device for the purpose described av female die comprising athree-sided frame, a iixed member having a rectangular slot formed withparallel edges, a cross-bar, a setscrew working in the cross-bar, amovable member located between the set-screw and the ixed member andhaving a tongue adapted to slide in the slot, and springs locatedbetween the members,substantially as set forth.

1 l f I p 712,547

9. In adevsice for the purpose described the combination of thepresser-foot, the presserfoot rod, the hollow lstem surrounding thepresser-foot rod, the turret, journaled on the hollow stem and ,havingvertical punch-sockets, the -punches mounted in the verticalvpunch-sockets, and a nut for locking the tu-rret to the hollow stem,substantially as set forth.

10. In a device for the purpose described the combination of thepresser-foot, the presser-foot rod, the turret, journaled on thehollowstem, and havingvertical punch-sockets, the punches mounted-in thevertical punch-sockets, a guide-sleeve and a guiderod extending throughthev guide-sleeve,'sub stantially as set forth.

l1. In a device for the lpurpose described Y the combination of thepresser-foot, the

presser-foot rod, the hollow stem surrounding the presser-foot rod, theturret journaled on the hollow stem and havin g vertical punchsockets,the punches mounted in the vertical .punch-sockets and having aperturesat their upper ends, the punch-operating rod perforated at its lowerend, andY a set-screw adapted to extend through the punch-apertures andto secure the punches to the lower end of the punch-rod.

12. In a device for the purpose described, the combination of thepresser -foot, the presser-foot rod, the hollow stem surrounding thepresser-foot rod, the turret j ournaled on the hollow stemand havingvertical punchsockets surrnouuted by slots, the plates having slots andsecured to the vertical punchsockets and the punch-rod having a'squaredend fitting the slots in the vertical punchsockets and in the slots ofthe plates, substantially as set forth.

RUFUS J. KITTREDGE. Witnesses:

F. A. HOPKINS, EDNA B. JOHNSON.

